NEW YORK, June 5, 2015 — Bringing you the constant variety of television: This week’s MediaPost blogs included columns on two, new original dramas — “UnREAL” on Lifetime and the cyber-thriller “Mr. Robot” on USA Network — plus the latest in the Brian Williams drama at NBC News, and the start of the Stephen Colbert era on CBS. And, of course, there was Bruce — oops! Caitlyn — Jenner …